fix: \compute_lm_total_eth\ awk parser reads only the line immediately after \== Logs ==\ (#879)

Replace getline-once approach with a forward-scan that skips blank lines
and warning lines after the marker, finding the first digit-only line.

scripts/harb-evaluator/red-team.sh

@@ -176,8 +176,9 @@ compute_lm_total_eth() {
   output=$(cd "$REPO_ROOT" && LM="$LM" WETH="$WETH" POOL="$POOL" \
     "$FORGE" script onchain/script/LmTotalEth.s.sol \
       --rpc-url "$RPC_URL" --root onchain 2>&1)
-  # forge script prints "== Logs ==" then "  <value>" — extract the number
-  result=$(echo "$output" | awk '/^== Logs ==/{getline; gsub(/^[[:space:]]+/,""); print; exit}')
+  # forge script prints "== Logs ==" then "  <value>" — extract the number.
+  # Scan all lines after the marker so blank lines or warning lines don't corrupt the result.
+  result=$(echo "$output" | awk '/^== Logs ==/{found=1; next} found && /^[[:space:]]*[0-9]+[[:space:]]*$/{gsub(/[[:space:]]/, ""); print; exit}')
   [[ -n "$result" && "$result" =~ ^[0-9]+$ ]] || die "Failed to read LM total ETH (forge output: $output)"
   echo "$result"
 }